From c53e84b48dd40a504a551df87a23177fe61ae337 Mon Sep 17 00:00:00 2001
From: Rostislav Dugin <rostislav.dugin@outlook.com>
Date: Thu, 8 Jan 2026 11:34:35 +0300
Subject: [PATCH] FIX (devex): Fix Linux tools installation script

---
 backend/tools/download_linux.sh | 117 +++++++++++++++++++-------------
 1 file changed, 69 insertions(+), 48 deletions(-)

diff --git a/backend/tools/download_linux.sh b/backend/tools/download_linux.sh
index a318243..5bf8779 100644
--- a/backend/tools/download_linux.sh
+++ b/backend/tools/download_linux.sh
@@ -9,13 +9,13 @@ echo "Installing PostgreSQL, MySQL, MariaDB and MongoDB client tools for Linux (
 echo
 
 # Check if running on supported system
-if ! command -v apt-get &> /dev/null; then
+if ! command -v apt-get > /dev/null 2>&1; then
     echo "Error: This script requires apt-get (Debian/Ubuntu-like system)"
     exit 1
 fi
 
 # Check if running as root or with sudo
-if [[ $EUID -eq 0 ]]; then
+if [ $EUID -eq 0 ]; then
     SUDO=""
 else
     SUDO="sudo"
@@ -107,6 +107,12 @@ for version in $mysql_versions; do
     version_dir="$MYSQL_DIR/mysql-$version"
     mkdir -p "$version_dir/bin"
     
+    # Skip if already exists
+    if [ -f "$version_dir/bin/mysqldump" ]; then
+        echo "  MySQL $version already installed, skipping..."
+        continue
+    fi
+    
     # Download MySQL client tools from official CDN
     # Note: 5.7 is in Downloads, 8.0, 8.4 specific versions are in archives, 9.5 is in MySQL-9.5
     case $version in
@@ -132,11 +138,14 @@ for version in $mysql_versions; do
     wget -q "$MYSQL_URL" -O "mysql-$version.tar.gz" || wget -q "$MYSQL_URL" -O "mysql-$version.tar.xz"
     
     echo "  Extracting MySQL $version..."
-    if [[ "$MYSQL_URL" == *.xz ]]; then
-        tar -xJf "mysql-$version.tar.xz" 2>/dev/null || tar -xJf "mysql-$version.tar.gz" 2>/dev/null
-    else
-        tar -xzf "mysql-$version.tar.gz" 2>/dev/null || tar -xzf "mysql-$version.tar.xz" 2>/dev/null
-    fi
+    case "$MYSQL_URL" in
+        *.xz)
+            tar -xJf "mysql-$version.tar.xz" 2>/dev/null || tar -xJf "mysql-$version.tar.gz" 2>/dev/null
+            ;;
+        *)
+            tar -xzf "mysql-$version.tar.gz" 2>/dev/null || tar -xzf "mysql-$version.tar.xz" 2>/dev/null
+            ;;
+    esac
     
     # Find extracted directory
     EXTRACTED_DIR=$(ls -d mysql-*/ 2>/dev/null | head -1)
@@ -175,12 +184,7 @@ echo "Installing MariaDB client tools to: $MARIADB_DIR"
 # Install dependencies
 $SUDO apt-get install -y -qq apt-transport-https curl
 
-# MariaDB versions to install with their URLs
-declare -A MARIADB_URLS=(
-    ["10.6"]="https://archive.mariadb.org/mariadb-10.6.21/bintar-linux-systemd-x86_64/mariadb-10.6.21-linux-systemd-x86_64.tar.gz"
-    ["12.1"]="https://archive.mariadb.org/mariadb-12.1.2/bintar-linux-systemd-x86_64/mariadb-12.1.2-linux-systemd-x86_64.tar.gz"
-)
-
+# MariaDB versions to install
 mariadb_versions="10.6 12.1"
 
 for version in $mariadb_versions; do
@@ -195,7 +199,19 @@ for version in $mariadb_versions; do
         continue
     fi
     
-    url=${MARIADB_URLS[$version]}
+    # Get URL based on version
+    case "$version" in
+        "10.6")
+            url="https://archive.mariadb.org/mariadb-10.6.21/bintar-linux-systemd-x86_64/mariadb-10.6.21-linux-systemd-x86_64.tar.gz"
+            ;;
+        "12.1")
+            url="https://archive.mariadb.org/mariadb-12.1.2/bintar-linux-systemd-x86_64/mariadb-12.1.2-linux-systemd-x86_64.tar.gz"
+            ;;
+        *)
+            echo "  Warning: Unknown MariaDB version $version"
+            continue
+            ;;
+    esac
     
     TEMP_DIR="/tmp/mariadb_install_$version"
     mkdir -p "$TEMP_DIR"
@@ -238,43 +254,48 @@ mkdir -p "$MONGODB_DIR/bin"
 
 echo "Installing MongoDB Database Tools to: $MONGODB_DIR"
 
-# MongoDB Database Tools are backward compatible - single version supports all servers (4.0-8.0)
-# Detect architecture
-ARCH=$(uname -m)
-if [ "$ARCH" = "x86_64" ]; then
-    MONGODB_TOOLS_URL="https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-x86_64-100.10.0.deb"
-elif [ "$ARCH" = "aarch64" ]; then
-    MONGODB_TOOLS_URL="https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-aarch64-100.10.0.deb"
+# Skip if already installed
+if [ -f "$MONGODB_DIR/bin/mongodump" ] && [ -L "$MONGODB_DIR/bin/mongodump" ]; then
+    echo "MongoDB Database Tools already installed, skipping..."
 else
-    echo "Warning: Unsupported architecture $ARCH for MongoDB Database Tools"
-    MONGODB_TOOLS_URL=""
-fi
-
-if [ -n "$MONGODB_TOOLS_URL" ]; then
-    TEMP_DIR="/tmp/mongodb_install"
-    mkdir -p "$TEMP_DIR"
-    cd "$TEMP_DIR"
-
-    echo "Downloading MongoDB Database Tools..."
-    wget -q "$MONGODB_TOOLS_URL" -O mongodb-database-tools.deb || {
-        echo "Warning: Could not download MongoDB Database Tools"
-        cd - >/dev/null
-        rm -rf "$TEMP_DIR"
-    }
-
-    if [ -f "mongodb-database-tools.deb" ]; then
-        echo "Installing MongoDB Database Tools..."
-        $SUDO dpkg -i mongodb-database-tools.deb 2>/dev/null || $SUDO apt-get install -f -y -qq
-
-        # Create symlinks to tools directory
-        ln -sf /usr/bin/mongodump "$MONGODB_DIR/bin/mongodump"
-        ln -sf /usr/bin/mongorestore "$MONGODB_DIR/bin/mongorestore"
-
-        echo "MongoDB Database Tools installed successfully"
+    # MongoDB Database Tools are backward compatible - single version supports all servers (4.0-8.0)
+    # Detect architecture
+    ARCH=$(uname -m)
+    if [ "$ARCH" = "x86_64" ]; then
+        MONGODB_TOOLS_URL="https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-x86_64-100.10.0.deb"
+    elif [ "$ARCH" = "aarch64" ]; then
+        MONGODB_TOOLS_URL="https://fastdl.mongodb.org/tools/db/mongodb-database-tools-debian12-aarch64-100.10.0.deb"
+    else
+        echo "Warning: Unsupported architecture $ARCH for MongoDB Database Tools"
+        MONGODB_TOOLS_URL=""
     fi
 
-    cd - >/dev/null
-    rm -rf "$TEMP_DIR"
+    if [ -n "$MONGODB_TOOLS_URL" ]; then
+        TEMP_DIR="/tmp/mongodb_install"
+        mkdir -p "$TEMP_DIR"
+        cd "$TEMP_DIR"
+
+        echo "Downloading MongoDB Database Tools..."
+        if ! wget -q "$MONGODB_TOOLS_URL" -O mongodb-database-tools.deb; then
+            echo "Warning: Could not download MongoDB Database Tools"
+            cd - >/dev/null
+            rm -rf "$TEMP_DIR"
+        else
+            if [ -f "mongodb-database-tools.deb" ]; then
+                echo "Installing MongoDB Database Tools..."
+                $SUDO dpkg -i mongodb-database-tools.deb 2>/dev/null || $SUDO apt-get install -f -y -qq
+
+                # Create symlinks to tools directory
+                ln -sf /usr/bin/mongodump "$MONGODB_DIR/bin/mongodump"
+                ln -sf /usr/bin/mongorestore "$MONGODB_DIR/bin/mongorestore"
+
+                echo "MongoDB Database Tools installed successfully"
+            fi
+
+            cd - >/dev/null
+            rm -rf "$TEMP_DIR"
+        fi
+    fi
 fi
 
 echo